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[[Ostrich]]es, [[penguin]]s, and [[emu]]s are birds that don't fly, although penguins have sometimes been said to "fly" underwater. [[Robin]]s, [[sparrow]]s, and [[eagle]]s are more typical flying birds.

[[Ostrich]]es, [[penguin]]s, and [[emu]]s are birds that don't fly, although penguins have sometimes been said to "fly" underwater. [[Robin]]s, [[sparrow]]s, and [[eagle]]s are more typical flying birds.

It is commonly believed that birds have evolved from [[dinosaur]]s, although this view is disputed by both [[creationism|creationists]] and some evolutionists.

Some evolutionists believe that birds have evolved from [[dinosaur]]s, although this view is disputed by both [[creationism|creationists]] and some evolutionists.

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